427008020 has 12 divisors (see below), whose sum is σ = 896716884. Its totient is φ = 170803200.

The previous prime is 427008007. The next prime is 427008037. The reversal of 427008020 is 20800724.

It can be written as a sum of positive squares in 2 ways, for example, as 252873604 + 174134416 = 15902^2 + 13196^2 .

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10675181 + ... + 10675220.

It is an arithmetic number, because the mean of its divisors is an integer number (74726407).

Almost surely, 2^427008020 is an apocalyptic number.

It is an amenable number.

427008020 is an abundant number, since it is smaller than the sum of its proper divisors (469708864).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

427008020 is a wasteful number, since it uses less digits than its factorization.

427008020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21350410 (or 21350408 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 23.

The square root of 427008020 is about 20664.1723763619. The cubic root of 427008020 is about 753.0295357036.

Adding to 427008020 its reverse (20800724), we get a palindrome (447808744).

The spelling of 427008020 in words is "four hundred twenty-seven million, eight thousand, twenty".